Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 стор. |
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Сторінка 10
... portions of the moving mass could not be utilized . As the momentum acquired by animals in walking , swimming , and flying forms an important factor in those movements , it is necessary that we should have a just conception of the value ...
... portions of the moving mass could not be utilized . As the momentum acquired by animals in walking , swimming , and flying forms an important factor in those movements , it is necessary that we should have a just conception of the value ...
Сторінка 11
... portions of its body ( supposing it to be a short- bodied fish ) form curves , the convexities of which are directed ... portion of the timbers , etc. , of one of Her Majesty's ships , having the extremity of the biped or the tail of the ...
... portions of its body ( supposing it to be a short- bodied fish ) form curves , the convexities of which are directed ... portion of the timbers , etc. , of one of Her Majesty's ships , having the extremity of the biped or the tail of the ...
Сторінка 20
... represent the weights of these portions of the lever respectively . Similarly , in the second order P. AFW.BF + AF . AF and in the third order 2 2 P. AFW . BF + BF . BF 2 In this outline of the theory of the lever , 20 ANIMAL LOCOMOTION .
... represent the weights of these portions of the lever respectively . Similarly , in the second order P. AFW.BF + AF . AF and in the third order 2 2 P. AFW . BF + BF . BF 2 In this outline of the theory of the lever , 20 ANIMAL LOCOMOTION .
Сторінка 22
... portions of the muscular system , it must never be forgotten that the earth , water , or air form fulera for the travelling surfaces of animals as a whole . Two sets of fulcra are therefore always to be considered , viz . those ...
... portions of the muscular system , it must never be forgotten that the earth , water , or air form fulera for the travelling surfaces of animals as a whole . Two sets of fulcra are therefore always to be considered , viz . those ...
Сторінка 28
... Portion of right ventricular cavity ; b , base of left ventricular cavity ; x , y , spiral grooves occupied by the spiral musculi papillares ; jq , spiral ridges projecting between the musculi papillares . Compare with Figs . 6 and 7 ...
... Portion of right ventricular cavity ; b , base of left ventricular cavity ; x , y , spiral grooves occupied by the spiral musculi papillares ; jq , spiral ridges projecting between the musculi papillares . Compare with Figs . 6 and 7 ...
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Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Попередній перегляд недоступний - 2016 |
Загальні терміни та фрази
action aërial animals arms and legs arrangement artificial wave artificial wing ascends axes backwards bat and bird beetle biting surface blades body bones Borelli Compare with fig concave convex coracoid Crown 8vo depressed described downward dugong elastic ligaments elbow-joint elevating and propelling ellipse elytra extension extremities feet fins fish flexed flexible flexion flight flying foot gannet horizontal direction humerus inclined planes increased insect insect wing joint kite less lever limbs long axis manner Marey membranous motion move movements muscles muscular natural wing nervures oblique oscillate pectoral fins pinion porpoise portions position posterior margin posterior or thin primary produced quadruped rapid reciprocating Red-legged Partridge remarkable resistance root rotating scapula screw secondary feathers shoulder-joint side spiral swimming tail thick margin tion trunk twisting universal joint upward direction upwards and forwards velocity vertical vertical direction vibrate walking wave wing waved track weight wing descends
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